Popular blogs are those which are read by a number of users irrespective of age, sex, location, etc. There are many factors that makes a blog post popular. Of these all, the most important is the attractiveness of the blog heading. If the blog heading is attractive and precise, people will go for a read over it.
The second important thing is the contents of the post. If the blog contains quality writings, than the blog will attract readers. The blog should be interesting enough to make a reader finish the contents written in it.
The third important thing is that, the blog content should be grammatically correct and the spellings should also be correct.
The fourth important thing is that the blog should be supported with relevant data and pictures, diagrams, maps, etc.
Time of publishing the post sometimes plays an imortant role in getting popular. Generally the time when maximum numbers of blog readers or bloggers are online is considered the best time.
There are more things that leads a blog to get popular which I shall discuss later. So try yourself to creat a popular blog post and earn the fame of a successful blogger.